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How To Unlock Bootloader On Vivo Devices

Ravali Reddy/September 20, 2020Unlock Bootloader

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unlock bootloader on vivo device

Unlocking Bootloader on any Vivo device is also said to be the bios of the Android Device. Bootloader checks for hardware initiation, kernel check, and ramdisk, which turns and gives permission to boot the Android Device. This Bootloader is similar to bios that is identical to any Gadgets right from Laptop to PCs and the gaming consoles these days. So, by unlocking the Bootloader, we can install Custom Kernel, Custom ROMs, Rooting your Android Device, Back up your Android device to the root directory, and many more. Unlocking bootloader might breach your security, and to tackle this, the smartphone manufacturers made it clear that if you unlock your device’s Bootloader, it may void your warranty.

Many users like to customize their phones to make it more fun and fabulous to use. Vivo devices come with a locked Bootloader, so if you want to install any custom ROM or custom recovery or Kernels, you need to Unlock Bootloader on Vivo devices.

In this article, you can unlock Bootloader on Vivo devices and root your Android device. If your device is new, it may take some time to create ROMs and create custom bootloaders for your device and kernels, which makes your device more efficient. It allows you to customize the functions, unbrick the device, and gain more control on your device.

Contents

Pre-Requisites

  • You should have a Laptop or PC to unlock Bootloader on Vivo device.
  • Unlocking Bootloader may wipe your data. It is best to take a complete backup.
  • Maintain at least 60-80% charge to prevent accidental shutdown.
  • Download Vivo USB Drivers.
  • Follow the guide carefully, or else it may lead to bricking of your device.

Downloads

Vivo Fastboot Drivers: Download

How To Unlock Bootloader On Vivo Devices

Method 1

  1. Download and extract the Vivo Fastboot tool on your laptop or PC.
  2. Go to Vivo fastboot folder and press “Shift + Right Mouse” and click on the open command window here.
  3. To reboot your Vivo device in bootloader mode by pressing power and vol – buttons simultaneously.
  4. For older phones, type in the below command
    fastboot bbk unlock_vivo
  5. For new Vivo phones follow the command provided below
    fastboot bbk vivo_bsp unlock_vivo
    
  6. If You Want to lock it again then enter the following commandfastboot bbk lock_vivo

That’s all! You are done with the unlocking bootloader of the Vivo phone and you can get ahead with installing custom ROM on your device.

Method 2

Note: This is an unofficial method, your device may get bricked.

Download

BLUnlocker v1.zip – Download
QDLoader HS USB Driver.7z – Download

  1. Download and Extract the BLUnlocker_v1.zip
  2. Download and Install QDLoader HS USB Driver for Qdloader 9008 mode.
  3. Now, press the volume up and down buttons at the same time and connect the USB while ypur are still holding the volume buttons.
  4. Download and Extract the firehose file from the stock firmware (Named ‘prog_emmc_firehose_****.mbn’) and paste it in the current directory.
  5. Check the port number of the Vivo device in the device manager.
  6. Double click on the ‘dump_devinfo.bat‘ file.
  7. Enter the port number of the device and press enter
  8. Using HxD Hex Editor edit the devinfo.img as shown in my video below.
  9. Double click ‘unlock.bat’
  10. Done!

Confirmed Devices

  • Vivo X-Play 6
  • Vivo Y53
  • Vivo Y51L
  • Vivo Y21L
  • Vivo X9 (there are some problems)
  • Vivo Y55
  • Vivo X21 UD Plus (Below mtk method)
  • Vivo V7 Plus
  • Vivo Y65(IDK which method)
  • Vivo Y85
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Tags:VIVO

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Ravali Reddy

Ravali has been writing for over three years now. She defines herself as a stickler for detail and accuracy. Begun her career as a technical coordinator and shifted her career with a passion for writing. A cup of coffee with lots of conversation keeps her on!

Reader Interactions

Comments

  1. Samuel Peter says

    August 7, 2020 at 2:44 pm

    Sir/Mam we can’t unlock bootloader on our mobile, an error showing ” devices/emulators not found ” occurs each time when we try the command. Please help us. Thanku

    Reply
  2. proxy says

    August 13, 2020 at 10:30 am

    After typing fastboot bbk vivo_bsp unlock_vivo, it says “waiting for device”
    Am i supposed to wait for this part??? I think its taking so long is it normal?

    Reply
    • Teja Pagidimarri says

      August 13, 2020 at 12:12 pm

      Make sure that you have enabled USB Debugging, install USB drivers (search in this site for drivers) and try to connect with another USB cable

      Reply
  3. Tabrej says

    August 18, 2020 at 5:56 pm

    How to unlock bootloader of vivo v7 1718??

    Reply
  4. Steven says

    September 3, 2020 at 5:14 pm

    Sir, i typed fastboot bbk vivo_bsp unlock_vivo already, but in the cmd it showing and it looks like I have to choose
    There are w,s,u, and something else like
    —device….
    I checked that my device is still locked
    Can you help me with that?
    Pls answer me as soon as possible

    Reply
    • Teja Pagidimarri says

      September 3, 2020 at 5:30 pm

      what exactly the error is showing?

      Reply
      • Steven says

        September 4, 2020 at 3:30 pm

        Something like:
        -w (definition of W
        -S (Definition of S
        -U
        – …….
        And keep going like that

        Reply
        • Teja Pagidimarri says

          September 5, 2020 at 7:46 am

          What is your device model?

          Reply
          • Shedrack Ayaro says

            September 16, 2020 at 2:34 pm

            My device model is Vivo Z5x 2020, but none of the commands are working for me

    • Abdul Salaam Danish says

      January 5, 2021 at 6:57 pm

      It says all done but when i check the status of bootloader it shows locked always. i had tried it almost about 10-15 times but still i got the same message. what is the solution of this?.

      Reply
  5. P says

    September 16, 2020 at 3:29 am

    device is locked? What is that supposed to mean?

    OEM and USB debuggin in developer option bot enabled

    Reply
  6. Sharan says

    September 16, 2020 at 10:22 am

    This method not working fine bro suggest any new methods

    Reply
    • Teja Pagidimarri says

      September 20, 2020 at 6:24 pm

      We have updated the steps and download links. Do check

      Reply
  7. error says

    September 16, 2020 at 9:24 pm

    Why this method not work with vivo u10, always shows “check Signature Fail”

    Reply
  8. Jonar Loguinsa says

    September 19, 2020 at 6:05 pm

    Sir, can you help me with my phone. I’ve tried the process several times but still failed. My phone is Vivo y91 1811.

    Reply
    • Teja Pagidimarri says

      September 20, 2020 at 6:19 pm

      We have updated the download links and steps. Do check.

      Reply
    • Teja Pagidimarri says

      September 20, 2020 at 6:23 pm

      We have updated the steps and download links. Do check

      Reply
  9. Gautam says

    September 20, 2020 at 8:23 am

    Device is lock why plz fix help me

    Reply
    • Teja Pagidimarri says

      September 20, 2020 at 6:19 pm

      We have updated the download links and steps. Do check.

      Reply
    • Teja Pagidimarri says

      September 20, 2020 at 6:22 pm

      We have updated the steps and download links. Do check.

      Reply
  10. mat says

    October 6, 2020 at 7:21 pm

    Is this working for VIVO V11 Pro (1804) ?

    Reply
  11. Shedrack says

    October 24, 2020 at 2:21 am

    Kindly update the unlock commands for VIVO z5x 2020 version. The current commands are not working

    Reply
  12. Prajwol says

    October 31, 2020 at 1:17 pm

    How to unlock bootloader of vivo y15 2019 model 1901 plz tell me…

    Reply
  13. vishal says

    November 27, 2020 at 6:21 am

    my pc shows fastboot: usag : unknown command bbk
    please help me…….

    Reply
  14. Prehistoric Page Maker says

    December 2, 2020 at 1:10 pm

    Hi admin,
    I’ve tried to unlock bootloader of vivo y81 (1803) mtk6762 with adb-platform tool via cmd but it failed..

    Reply
  15. elliud says

    December 3, 2020 at 3:09 pm

    how to unlock bootloader of vivo y91 1811

    Reply
  16. Ritesh says

    December 6, 2020 at 9:50 pm

    Please help me to unlock my vivo y17 bootloader

    Reply
  17. Jugal says

    December 15, 2020 at 6:41 am

    How to solve issue when it shows
    “Failed:Unknown Command or Device is locked” in vivo y53

    Reply
    • zawally says

      March 9, 2023 at 5:45 pm

      same

      Reply
  18. Het Shah says

    December 19, 2020 at 9:24 am

    How to unlock bootloader in vivo y71

    Reply
  19. Jigs DelaCruz says

    January 1, 2021 at 10:36 pm

    not working in vivo y91c

    Reply
  20. Khalid Hassan says

    January 18, 2021 at 11:55 pm

    What can be the root in vivo y53?

    Reply
  21. Umeshchandra kadiri says

    February 24, 2021 at 6:19 pm

    Is it possible to unlock bootloader for vivo y20 (V2029 model)

    Reply
  22. Aljay says

    April 22, 2021 at 12:27 pm

    Can’t unlock vivo y11

    Reply
  23. Virbal says

    June 23, 2021 at 11:32 am

    But sir I’m unable to to on oem unlocking bcz my device not powering on yet

    Reply
  24. Gautham says

    July 3, 2021 at 10:08 am

    I tried the method1 specified above, it said something like ‘Failed ‘. So, is there a way to bypass the verification or do I have to modify the drivers?

    Reply
    • Gautham says

      July 3, 2021 at 10:10 am

      FAILED, remote – signature verify failed

      Reply
  25. Armaan says

    August 24, 2021 at 11:28 am

    Sir please tell me what to do to unlock bootloader of vivo1606 pls sir it’s urgent

    Reply
  26. armaan says

    August 25, 2021 at 11:34 am

    PS C:\Users\Admin\Desktop\vivo_fastboot_for_windows> adb reboot bootloader
    PS C:\Users\Admin\Desktop\vivo_fastboot_for_windows> fastboot bbk unlock_vivo
    usage: fastboot [ ]

    commands:
    update reflash device from update.zip
    flashall flash boot + recovery + system
    flash [ ] write a file to a flash partition
    erase erase a flash partition
    format format a flash partition
    getvar display a bootloader variable
    boot [ ] download and boot kernel
    flash:raw boot [ ] create bootimage and flash it
    devices list all connected devices
    continue continue with autoboot
    reboot reboot device normally
    reboot-bootloader reboot device into bootloader
    help show this help message

    options:
    -w erase userdata and cache (and format
    if supported by partition type)
    -u do not first erase partition before
    formatting
    -s specify device serial number
    or path to device port
    -l with “devices”, lists device paths
    -p specify product name
    -c override kernel commandline
    -i specify a custom USB vendor id
    -b specify a custom kernel base address. default: 0x10000000
    -n specify the nand page size. default: 2048
    -S [K|M|G] automatically sparse files greater than
    size. 0 to disable
    PS C:\Users\Admin\Desktop\vivo_fastboot_for_windows>

    its showing this please help me

    Reply
  27. Saurab says

    September 12, 2021 at 11:34 pm

    How can I unlock my vivoz1x bootloader using the another android phone throw the otg cable…pls help me cos I have no pc or laptop

    Reply
  28. aamir says

    December 26, 2021 at 3:55 pm

    while peroforming command showing this error
    …
    FAILED (remote: unclock fail.)
    finished. total time: 0.000s
    help??

    Reply
    • hhdjjddkkdkd says

      March 23, 2022 at 4:07 pm

      yes how this fix this problem

      Reply
  29. hhdjjddkkdkd says

    March 23, 2022 at 4:07 pm

    yes how this fix this problem

    Reply
  30. pramodjatav says

    August 31, 2022 at 2:38 am

    Please give comands fo vivo y72 android 12 os version becase this comands no t work

    Reply

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